How popular is Lorilyn?

Lorilyn is an uncommon first name for women. Lorilyn is an equivalently unique last name too for all people. (2000 U.S. Census)

Which version is better?

with its source form and related girl names. Popular alternative forms of Lorilyn (outside Top 2000) ranked in the Top 2000 are Loralee, Loralei and Lorelei(#448 in recent rankings). These relations of Lorilyn are at the peak of their popularity presently (median #1482). Lorelei is more ubiquitous than the rest. (2015 Birth Statistics)